"Report of the Sanitary Survey Commission of the West Virginia State Board of Health : an intensive study of the prevalence of intestinal parasites among the coal miners of McDowell County."; "West Virginia. State Board of Health. Sanitary Survey Commission."; "Coal miners--Diseases--West Virginia--McDowell County.", "Intestines--Diseases."; "West Virginia. State Board of Health. Sanitary Survey Commission."; "1914"; "

Pamphlet. \"Professor W. H. Schultz, Ph. D., Messrs. C. O. Gorby, H. C. Bray and Wilbur Shirkey.\"

"; ""; "P712"; "pec"; "Coal miners--Diseases--West Virginia--McDowell County.", "Intestines--Diseases."; "14256"; .